Results of multiple regressions to test the associations of environmental variables and developmental trajectories for leaves from successive cohorts compared between years and leaves from the same cohort compared within years.

Bolded text denotes significant or marginally-significant relationships. Denominator degrees of freedom were 156 or 160 for Jonaskop and 54 or 73 for Kirstenbosch. For Aa and g, missing data for 17 seedlings in June 2009 were imputed and analyzed in Proc MIANALYZE (see methods for details).